#B43815#B43815

#B43815 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.166 H 35.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#B43815
RGBrgb(180, 56, 21)
HSLhsl(13, 79%, 39%)
HSVhsv(13, 88%, 71%)
CMYKcmyk(0%, 68.9%, 88.3%, 29.4%)
CIE-LABlab(42.14, 48.65, 46.89)
CIE-LCHlch(42.14, 67.57, 43.95°)
OKLaboklab(51.97% 0.1353 0.0965)
OKLCHoklch(51.97% 0.166 35.5)
XYZxyz(20.3744, 12.5889, 2.0664)
Luminance0.1259 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43815 #1591B4
analogous
#B41541 #B43815 #B48815
triadic
#B43815 #15B438 #3815B4
tetradic
#B43815 #41B415 #1591B4 #8815B4
square
#B43815 #41B415 #1591B4 #8815B4
split-complementary
#B43815 #15B488 #1541B4
monochromatic
#461608 #7D270F #B43815 #E54C21 #EC7858

Accessibility & contrast

On white

5.97
#B43815 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.52
#B43815 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43815
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43815#FFFFFF#000000##FFFFFF
##B438151.005.973.525.97
#FFFFFF5.971.0021.001.00
#0000003.5221.001.0021.00
##FFFFFF5.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D520E
Deuteranopia (green-blind)
#7C6E0C
Tritanopia (blue-blind)
#C70732
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b43815;
/* rgb */ color: rgb(180, 56, 21);
/* oklch */ color: oklch(52.0% 0.166 35.5);
Tailwind
colors: {
  custom: {
    50: '#d47657',
    500: '#b43815',
    950: '#000000',
  },
}
SCSS
$custom: #b43815;
$custom-light: #d47657;
$custom-dark: #000000;
JSON
{
  "hex": "#b43815",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 21
  },
  "hsl": {
    "h": 13.208,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.5197,
    "c": 0.16618,
    "h": 35.5
  },
  "luminance": 0.12586
}

Semantic roles & 50–950 ramp

primary
#B43815
secondary
#56B4CF
accent
#CBF632
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160903
muted
#847B78

Preview Lab

Preview with #B43815

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#B43815 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva